linux-kernel - RE: [PATCH 2/2] Kbuild: Use dtc's -d (dependency) option

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Message-ID: <74CDBE0F657A3D45AFBB94109FB122FF17801D2255@HQMAIL01.nvidia.com>
Date:	Tue, 17 Jan 2012 09:20:47 -0800
From:	Stephen Warren <swarren@...dia.com>
To:	Michal Marek <mmarek@...e.cz>, Mark Salter <msalter@...hat.com>
CC:	Jon Loeliger <jdl@....com>,
	David Gibson <david@...son.dropbear.id.au>,
	Russell King <linux@....linux.org.uk>,
	Aurelien Jacquiot <a-jacquiot@...com>,
	Michal Simek <monstr@...str.eu>,
	Jonas Bonn <jonas@...thpole.se>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-c6x-dev@...ux-c6x.org" <linux-c6x-dev@...ux-c6x.org>,
	"microblaze-uclinux@...e.uq.edu.au" 
	<microblaze-uclinux@...e.uq.edu.au>,
	"linux@...nrisc.net" <linux@...nrisc.net>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	Devicetree Discuss <devicetree-discuss@...ts.ozlabs.org>
Subject: RE: [PATCH 2/2] Kbuild: Use dtc's -d (dependency) option

Michal Marek wrote at Saturday, January 14, 2012 3:51 PM:
> On 11.1.2012 20:36, Mark Salter wrote:
> > On Mon, 2012-01-09 at 11:38 -0700, Stephen Warren wrote:
> >> This hooks dtc into Kbuild's dependency system.
> >>
> >> Thus, for example, "make dtbs" will rebuild tegra-harmony.dtb if only
> >> tegra20.dtsi has changed yet tegra-harmony.dts has not. The previous
> >> lack of this feature recently caused me to have very confusing "git
> >> bisect" results.
> >>
> >> For ARM, it's obvious what to add to $(targets). I'm not familiar enough
> >> with other architectures to know what to add there. Powerpc appears to
> >> already add various .dtb files into $(targets), but the other archs may
> >> need something added to $(targets) to work.
> >>
> >> Signed-off-by: Stephen Warren <swarren@...dia.com>
> >>
> >
> > Acked-by: Mark Salter <msalter@...hat.com>
> >
> > For the arch/c6x bit.
> 
> As the C6X port has been merged in this merge window, I can't easily
> apply this patch to my kbuild branch and at the same time please Linus
> by basing the pull request on a tagged release. So I'm going to drop the
> arch/c6x part to keep the kbuild branch "pretty" and let either Mark or
> Stephen send the patch to Linus directly, once he has merged the kbuild
> branch. Would that work?

I was assuming my patches were for 3.4 rather than 3.3, since it's pretty
late for new features in 3.3. In that case, there wouldn't be an issue,
right?

If you do want to go ahead and push my patches into 3.3, your proposal
looks fine to me. Mark, do you want me to push the patch to Linus, or
do you want to pick it up?

Thanks.

-- 
nvpublic

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